AMD on Monday announced that it had acquired MEXT, a startup that developed a memory tiering technology that makes NAND flash memory appear as DRAM to the operating system, which enables operators of data centers to save money on DRAM. AMD expects the acquisition to help customers improve system efficiency, lower operating costs, and deploy large-scale workloads more quickly.
As AI models continue to expand and datasets grow larger, memory availability has become an increasingly important factor affecting overall system performance. In many cases, memory resources, not CPUs or GPUs, are becoming a performance bottleneck. Meanwhile, in many cases DRAM is used inefficiently.
MEXT addresses memory efficiency challenges with an AI-based memory tiering technology that moves infrequently accessed data from expensive DRAM to NAND storage, which costs orders of magnitude less per unit of capacity, and in a way that's transparent to applications. MEXT's Predictive Memory Engine continuously analyzes memory access patterns and uses AI models to anticipate which data stored in flash will be needed next. Those memory pages are proactively transferred back into DRAM before applications request them and enable software to access data as though it were in main memory, thus preserving performance levels.
By increasing the amount of usable memory available to applications, MEXT's technology aims to improve utilization of existing infrastructure and at the same time reduce needs for expensive DRAM. This approach can potentially lower total cost of ownership for cloud providers and enterprise customers and enable larger workloads to run on existing hardware. AMD believes that these capabilities can benefit both traditional data center applications and modern AI deployments, where access to large memory pools is often critical for efficiency and scalability.
AMD plans to incorporate MEXT's technology into its data center product portfolio and expand its capabilities to address memory-hungry AI workloads. The company already offers integrated solutions that combine processors, accelerators, networking technologies, and software, so MEXT's Predictive Memory Engine will complement the already broad portfolio.
As an added bonus to the technology itself, AMD gains a team with expertise in memory architectures, infrastructure software, and large-scale computing systems. Terms of the deal are unknown.
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